Region | Year | Genotyping results | References |
---|---|---|---|
Henan, China | 2019/2021 | P1 subtype 1:76.4% in 2019 and 50.0% in 2021 | This study |
Zhejiang, China | 2015 | P1 subtype 1: 92.0% | [32] |
Multicenter, China | 2017–2018 | Overall P1 subtype 1: 76.6%; P1 subtype 1: 100.0% in Jilin and 45.5% in Jinan | [33] |
Qingdao, China | 2019 | P1 subtype 1: 57.1% | [34] |
Weihai, China | 2019 | P1 subtype 2: 51.2% | [35] |
Thailand | 2009–2012 | P1 subtype 1: 61.8% | [36] |
Japan | 2012–2018 | P1 subtype 1: 100.0% in 2012 and 8.3% in 2018 | [37] |